private static unsafe void ProcessTextInputEvent(Sdl2NativeWindow window, TextInputEvent ev)
{
// Calculate the length of the typed text string
int length;
for (length = 0; length < TextInputEvent.TextSize && ev.Text[length] != '\0'; length++)
{
;
}
// Make sure we have enough space to decode this string
int decoded_length = Encoding.UTF8.GetCharCount(ev.Text, length);
if (window.DecodeTextBuffer.Length < decoded_length)
{
Array.Resize(
ref window.DecodeTextBuffer,
2 * Math.Max(decoded_length, window.DecodeTextBuffer.Length));
}
// Decode the string from UTF8 to .Net UTF16
fixed(char *pBuffer = window.DecodeTextBuffer)
{
decoded_length = System.Text.Encoding.UTF8.GetChars(
ev.Text,
length,
pBuffer,
window.DecodeTextBuffer.Length);
}
for (int i = 0; i < decoded_length; i++)
{
window.OnKeyPress(window.DecodeTextBuffer[i]);
}
}
public static void DispatchEvent()
{
DateTime now = DateTime.Now;
Ticks = now.Ticks;
int s = now.Millisecond;
int t = s - LastTime;
if (t < 0)
{
t += 1000;
}
TimeSlice = t;
LastTime = s;
EventCallBack.Rolling();
if (inputType == InputType.OnlyMouse)
{
DispatchMouse();
}
else if (inputType == InputType.OnlyTouch)
{
DispatchTouch();
}
else
{
DispatchWin();
}
TextInputEvent.Dispatch();
GestureEvent.Dispatch(new List <UserAction>(inputs));
}
/// <summary>
/// Triggered by runtime when character is input.
/// </summary>
/// <param name="textChar">Code of input character.</param>
/// <param name="isUsed">Set to true if the event was handled previously by some internal system (like GUI).</param>
private static void Internal_TriggerCharInput(int textChar, bool isUsed)
{
TextInputEvent ev = new TextInputEvent(textChar, isUsed);
if (OnCharInput != null)
{
OnCharInput(ev);
}
}
private void Input_TextInput(TextInputEvent data)
{
if (!IsDisposed)
{
if (SelectedElement != null && SelectedElement.IsKeyboardEventTrigger)
{
SelectedElement.TriggerOnTextInput(data);
}
}
}
public void DeserializeTextInputEvent()
{
/* GIVEN */
var deserialized = new TextInputEvent();
/* WHEN */
deserialized.Deserialize(serializedEvent);
/* THEN */
TestCommonAttributes(deserialized);
Assert.AreEqual(deserialized.InputtedText, "SomeInput");
Assert.AreEqual("SomeLabel", deserialized.Textbox);
}
private void UITextArea_OnTextInput(UIElement sender, TextInputEvent data)
{
if (!ValidateInput(InputSource.TextInput, data.Character))
{
return;
}
void AppendCharAfterCaret(char value)
{
InsertChar(Value.Length, value);
}
switch (data.Key)
{
case Keys.Tab:
for (int i = 0; i < 4; i++)
{
AppendCharAfterCaret(' ');
}
break;
case Keys.Back:
if (Value.Length > 0)
{
Remove(Value.Length - 1, 1);
}
break;
case Keys.Enter:
if (_isMultiLined)
{
AppendCharAfterCaret('\n');
}
break;
default:
char c = (char)data.Character;
if (char.IsLetter(c) ||
char.IsNumber(c) ||
char.IsSymbol(c) ||
char.IsWhiteSpace(c) ||
char.IsPunctuation(c))
{
AppendCharAfterCaret(c);
}
break;
}
}
public static int AddTextInputEvent(TextInputEvent e)
{
_textEvents.Add(e);
Refresh();
return(_textEvents.Count - 1);
}
private bool TextInput(TextInputEvent e)
{
ImGui.GetIO().AddInputCharacter((uint)e.Unicode);
return(false);
}
public virtual bool OnTextInput(TextInputEvent e)
{
return(false);
}
private static void Window_TextInput(GameWindow window, TextInputEvent ev)
{
TextInput?.Invoke(window, ev);
}
public static void ClearEvent()
{
container.Clear();
UserAction.ClearAll();
TextInputEvent.Reset();
}